How can you use energy conversation to predict the speed of the marble from the height?

Julia can swim at 3.5 km/hr in still water. She attempts to head straight north across a river with a current flowing at 1.2 km/hr [W]. What is her resultant velocity?

A two stage rocket leaves its launch pad moving vertically with an average acceleration of 4 m/s2. at 10 s after launch the first stage of the rocket (now without fuel) is released.

Where do scientists believe the missing carbon is going? Why are they not sure?

Which situation represents a person in equilibrium? (1) a child gaining speed while sliding down a slide (2) a woman accelerating upward in an elevator (3) a man standing still on a bathroom scale (4) a teenager driving around a corner in his car

Why is it important that all scientists use the metric system?.

A current of 15 amps flows for 8.5 seconds, then the charge is? 123 J 1.829 J 0.54667 J None of the other answers are correct

Which biome is home to half of earth's species? a. tropical rain forest b. taiga c. temperate deciduous forest d. grassland

Desiree has a scientific question that she wants to investigate. She has developed a hypothesis and method for her experiment.

A total Δν of 15 km/s is required to achieve an interplanetary mission. The proposed rocket has two stages. The first stage alone has a mass of 1000 tonnes and consists of 10 solid rocket boosters and a liquid rocket motor.

Spacecrafts have landed on the surface of which planet? Saturn Mars Venus Jupiter